ComNav P4 - Figure 25 - Typical Battery Connection to Drive Boxes; Figure 26 - Reducing Supply Voltage Losses

ComNav P4 Installation and Operation
Document PN 29010100 V1r0 - 54 -
Note: If your autopilot system utilizes one of ComNav’s CT Drive Boxes, it should be wired
back to the breaker or fuse separately from the rest of the autopilot system. Do not “daisy-chain”
the power wires.
Figure 25 – Typical Battery Connection to Drive Boxes
If the SPU is mounted a long distance from the ship’s breaker panel, it is recommended that
heavy gauge wire be routed between the breaker panel and a terminal block mounted in close
proximity to the SPU. #12 AWG wire can then be used between the terminal block and the SPU.
This minimizes any voltage drop between the breaker panel and the SPU.
Figure 26 – Reducing Supply Voltage Losses
Installation